ML18033B482

Submits Revised Response to Violations Noted in Insp Repts 50-259/89-16,50-260/89-16 & 50-296/89-16.Extends Completion Dates for Commitments to 901203

ML18033B482
Person / Time
Site:	Browns Ferry
Issue date:	08/14/1990
From:	Medford M TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9008150281
Download: ML18033B482 (7)

Text

ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM

<S80 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555, Gentlemen:

In the Matter of Docket Nos. 50-259 Tennessee Valley Authority 50-260 50-296 BROWNS FERRY NUCLEAR PLANT (BFN) UNITS 1, 2, AND 3 NRC INSPECTION REPORT NOS. 50-259/89-16$ 50-260/89-16$ 50-296/89-16 REVISION TO NOTICE OF VIOLATION RESPONSE

Reference:

Letter from M. 0. Medford to NRC dated April 9, 1990, "BROWNS FERRY NUCLEAR PLANT (BFN) UNITS 1, 2, AND 3, NRC INSPECTION REPORT NOS. 50-259/89-16, 50-260/89-16, AND 50-296/89-16 RESPONSE TO NOTICE OF VIOLATION" TVA committed in the referenced letter to complete the following two commitments by August 15, 1990: (1),Essential mechanical calculations performed by the contractor will be reviewed for errors "and the errors corrected. The errors will be evaluated for impact on calculation results and conclusions and (2) Area walkdowns will be completed.

This letter is provided to extend the completion date for these items. The first commitment, correction of errors in mechanical calculations, will be completed by December 3, 1990. The errors in the subject calculations have been identified and the calculations are in the process of being corrected.

The second commitment$ performance of area walkdowns, will be completed by December 3, 1990 based on the current unit 2'restart schedule. Current levels of maintenance and modification activities in the plant make it to perform the area walkdowns by August 15, 1990. The area walkdown procedure inappropriate has been drafted and is currently in the review and approval cycle.

081. 0281 PILI.IGW POP IJ ADQCK 0 iC)OI32. <'v ~grf PbI An Equal Opportunity Employer

U.S. Nuclear Regulatory Commission AU814 teso The other commitments made in the referenced letter have been completed. The enclosure to this letter provides the revised commitment dates. If you have any questions, please telephone Patrick P. Carier at (205) 729-3566.

Very truly yours, TENNESSEE VALLEY AUTHORITY Mark O. Medford,'ice President Nuclear Technology and Licensing Enclosure cc (Enclosure):

Ms. S. C. Black, Deputy Director Project Directorate 11-4 U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike, Rockville, Maryland 20852 NRC Resident Inspector Browns Ferry Nuclear Plant Route 12, Box 637 Athens, Alabama 35609-2000 Thierry M. Ross, Project Manager U. S. Nuclear Regulatory Commission One White Flight, North 11555 Rockville Pike Rockville, Maryland 208 Mr. B. A. Wilson, Project Chief U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323

ENCLOSURE LIST OF COMMITMENTS

1. Essential mechanical calculations performed by the contractor will be reviewed for errors and the errors corrected. The errors will be ev'aluated for impact on calculation results and conclusions by December 3, 1990. (Violation A, example 1)

2. Area walkdowns will be completed by December 3, 1990 (Violation A, example 3: Violation B, examples 1, 2, and 7)